<script setup lang="ts">
import { getAllRoleDataAPI, AddRoleDataAPI, getUserPermissionDataAPI, updateRoleDataAPI } from '@/apis/system';
import router from '@/router';
import type { AllRoleData, AddRoleData } from '@/types/system';
import { ElMessage, type FormInstance, type FormRules } from 'element-plus';
import type { TreeInstance } from 'element-plus/lib/components/index.js';
import { onMounted, ref } from 'vue';
import { useRoute } from 'vue-router';
const route = useRoute()
//获取编辑角色信息
const getRoleData=async()=>{
  const res= await getUserPermissionDataAPI(Number(route.params.id))
  const {perms,roleName,remark } =res.data
  roleForm.value={
    roleName,
    remark,
    perms
  }
}
onMounted(() => {
  if(route.params.id){
    getRoleData()
}
})
//表单
const roleFormRef = ref<FormInstance>()
//表单数据
const roleForm = ref<AddRoleData>({
  roleName: '豆浆军',
  remark: '偶尔也会窜稀',
  perms: []
})
//表单验证规则
const roleRules = ref<FormRules<AddRoleData>>({
  roleName: [
    { required: true, message: '请输入角色名称', trigger: 'blur' },
    { min: 3, max: 20, message: '长度在 3 到 20 个字符', trigger: 'blur' }
  ],
  remark: [
    { required: true, message: '请输入角色描述', trigger: 'blur' },
    { min: 3, max: 20, message: '长度在 3 到 20 个字符', trigger: 'blur' }
  ]
})
//控制步骤的数据
const activeStep = ref(1)
//进行下一步时的操作
const nextStep = async () => {
  if (activeStep.value === 1) {
    await roleFormRef.value?.validate()
    activeStep.value += 1
    if(route.params.id){
    treeRefs.value?.forEach((tree,index) => {
      tree.setCheckedKeys(roleForm.value.perms[index])
    })
   }
  }
  else {
    roleForm.value.perms = []
    treeRefs.value?.forEach(item => {
      roleForm.value.perms.push(item.getCheckedKeys() as number[])
    })
    if (roleForm.value.perms.flat().length===0) {
      ElMessage.error('请至少添加一个权限！')
      return 
    }
    activeStep.value += 1
  }
}
//进行上一步时的操作
const prevStep = () => {
  activeStep.value -= 1
}
//所有权限信息
const treeList = ref<AllRoleData[]>([])
//获取所有权限信息
const getAllRoleData = async () => {
  const res = await getAllRoleDataAPI()
  treeList.value = res.data
}
getAllRoleData()
//树形权限图
const treeRefs = ref<TreeInstance[]>()
//添加用户
const addRole = async () => {
  console.log(roleForm.value);
  await AddRoleDataAPI(roleForm.value)
  ElMessage.success('添加成功！')
  router.back()
}
//修改用户
const updateRole = async () => {
  await updateRoleDataAPI({...roleForm.value,roleId:Number(route.params.id)})
  ElMessage.success('修改成功！')
  router.back()
}

</script>

<template>
  <div class="add-role">
    <header class="add-header">
      <el-page-header content="添加角色" @back="$router.back()" />
    </header>
    <main class="add-main">
      <div class="step-container">
        <el-steps direction="vertical" :active="activeStep">
          <el-step title="角色信息" />
          <el-step title="权限信息" />
          <el-step title="检查并完成" />
        </el-steps>
      </div>
      <div class="form-container" v-show="activeStep === 1">
        <div class="title">角色信息</div>
        <div class="form">
          <el-form ref="roleFormRef" class="form-box" :model="roleForm" :rules="roleRules">
            <el-form-item label="角色名称" prop="roleName">
              <el-input v-model="roleForm.roleName" />
            </el-form-item>
            <el-form-item label="角色描述" prop="remark">
              <el-input v-model="roleForm.remark" type="textarea" />
            </el-form-item>
          </el-form>
        </div>
      </div>
      <div class="form-container" v-show="activeStep === 2">
        <div class="title">权限配置</div>
        <div class="form">
          <div class="tree-wrapper">
            <div v-for="item in treeList" :key="item.id" class="tree-item">
              <div class="tree-title">{{ item.title }}</div>
              <el-tree :data="item.children" show-checkbox default-expand-all node-key="id" highlight-current
                :props="{ label: 'title' }" ref="treeRefs" />
            </div>
          </div>
        </div>
      </div>
      <div class="form-container" v-if="activeStep === 3">
        <div class="title">检查并完成</div>
        <div class="form">
          <div class="info">
            <div class="form-item">角色名称：{{ roleForm.roleName }}</div>
            <div class="form-item">角色描述：{{ roleForm.remark }}</div>
            <div class="form-item">角色权限：</div>
            <div class="tree-wrapper">
              <div v-for="(item,index) in treeList" :key="item.id" class="tree-item">
                <div class="tree-title">{{ item.title }}</div>
                <el-tree ref="diabledTreeRefs" :data="item.children" show-checkbox default-expand-all node-key="id"
                  :props="{ label: 'title', disabled: () => true }" :default-checked-keys="roleForm.perms[index]" />
              </div>
            </div>
          </div>
        </div>
      </div>
    </main>
    <footer class="add-footer">
      <div class="btn-container">
        <el-button @click="prevStep" v-if="activeStep > 1">上一步</el-button>{{ roleForm }}
        <el-button type="primary" @click="nextStep" v-if="activeStep < 3">下一步</el-button>
        <template v-else>
          <el-button type="primary" @click="addRole" v-if="!$route.params.id">添加完成</el-button>
          <el-button type="primary" @click="updateRole" v-else>修改</el-button>
        </template>
      </div>
    </footer>
  </div>
</template>


<style scoped lang="scss">
.add-role {
  background-color: #f4f6f8;
  height: 100vh;

  .add-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 64px;
    line-height: 64px;
    font-size: 16px;
    font-weight: bold;
    background-color: #fff;

    .left {
      span {
        margin-right: 4px;
      }

      .arrow {
        cursor: pointer;
      }
    }

    .right {
      text-align: right;
    }
  }

  .add-main {
    position: fixed;
    top: 64px;
    bottom: 88px;
    width: 100%;
    overflow-y: auto;
    background: #f4f6f8;
    padding: 20px 30px;
    display: flex;

    .step-container {
      height: 400px;
      width: 200px;
    }

    .form-container {
      flex: 1;
      background-color: #fff;
      overflow-y: auto;

      .title {
        height: 60px;
        line-height: 60px;
        padding-left: 20px;
      }

      .form {
        margin-bottom: 20px;
        padding: 20px 65px 24px;

        .el-form {
          display: flex;
          flex-wrap: wrap;
        }

        .info {
          font-size: 14px;
          color: #666;

          .form-item {
            margin-bottom: 20px;
          }
        }
      }

      .form-box {
        width: 600px;
        display: flex;
        flex-direction: column;
      }
    }
  }

  .add-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 24px 50px;
    color: #000000d9;
    font-size: 14px;
    background: #fff;
    text-align: center;
    z-index: 10001;
  }

  .tree-wrapper {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;

    .tree-item {
      flex: 1;
      padding: 0px 4px;
      text-align: center;

      .tree-title {
        background: #f5f7fa;
        text-align: center;
        padding: 10px 0;
        margin-bottom: 12px;
      }
    }
  }
}
</style>